CA1190537A - Heating silica gel in inert atmosphere before activation - Google Patents
Heating silica gel in inert atmosphere before activationInfo
- Publication number
- CA1190537A CA1190537A CA000415670A CA415670A CA1190537A CA 1190537 A CA1190537 A CA 1190537A CA 000415670 A CA000415670 A CA 000415670A CA 415670 A CA415670 A CA 415670A CA 1190537 A CA1190537 A CA 1190537A
- Authority
- CA
- Canada
- Prior art keywords
- chromium
- hydrogel
- silica
- range
- carried out
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 50
- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- 239000012298 atmosphere Substances 0.000 title claims abstract description 14
- 230000004913 activation Effects 0.000 title abstract description 7
- 239000000741 silica gel Substances 0.000 title description 3
- 229910002027 silica gel Inorganic materials 0.000 title description 3
- 239000011651 chromium Substances 0.000 claims abstract description 30
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 23
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 22
- 239000000017 hydrogel Substances 0.000 claims abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 15
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 12
- 150000002894 organic compounds Chemical class 0.000 claims abstract description 11
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 46
- 239000003054 catalyst Substances 0.000 claims description 42
- 229920000642 polymer Polymers 0.000 claims description 22
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 20
- 230000008569 process Effects 0.000 claims description 16
- 238000006116 polymerization reaction Methods 0.000 claims description 15
- 230000032683 aging Effects 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 14
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims description 11
- 239000005977 Ethylene Substances 0.000 claims description 11
- 239000002002 slurry Substances 0.000 claims description 11
- 150000001845 chromium compounds Chemical class 0.000 claims description 9
- -1 ethylene, propylene, 1-butene Chemical class 0.000 claims description 9
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- ZSIAUFGUXNUGDI-UHFFFAOYSA-N hexan-1-ol Chemical compound CCCCCCO ZSIAUFGUXNUGDI-UHFFFAOYSA-N 0.000 claims description 6
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 claims description 5
- WSSSPWUEQFSQQG-UHFFFAOYSA-N 4-methyl-1-pentene Chemical compound CC(C)CC=C WSSSPWUEQFSQQG-UHFFFAOYSA-N 0.000 claims description 5
- AMQJEAYHLZJPGS-UHFFFAOYSA-N N-Pentanol Chemical compound CCCCCO AMQJEAYHLZJPGS-UHFFFAOYSA-N 0.000 claims description 5
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 5
- LIKMAJRDDDTEIG-UHFFFAOYSA-N 1-hexene Chemical compound CCCCC=C LIKMAJRDDDTEIG-UHFFFAOYSA-N 0.000 claims description 4
- 229910021556 Chromium(III) chloride Inorganic materials 0.000 claims description 4
- 150000001336 alkenes Chemical class 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 claims description 4
- 235000007831 chromium(III) chloride Nutrition 0.000 claims description 4
- 239000011636 chromium(III) chloride Substances 0.000 claims description 4
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 3
- 229910021529 ammonia Inorganic materials 0.000 claims description 3
- 239000000908 ammonium hydroxide Substances 0.000 claims description 3
- 229920001577 copolymer Polymers 0.000 claims description 3
- 238000011282 treatment Methods 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229920001519 homopolymer Polymers 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 4
- YWAKXRMUMFPDSH-UHFFFAOYSA-N pentene Chemical compound CCCC=C YWAKXRMUMFPDSH-UHFFFAOYSA-N 0.000 claims 2
- IWTBVKIGCDZRPL-UHFFFAOYSA-N (+/-)-3-Methyl-1-pentanol Natural products CCC(C)CCO IWTBVKIGCDZRPL-UHFFFAOYSA-N 0.000 claims 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N n-Octanol Natural products CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 2
- 150000001298 alcohols Chemical class 0.000 abstract 1
- 229940107218 chromium Drugs 0.000 description 16
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 235000012721 chromium Nutrition 0.000 description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 8
- 150000001875 compounds Chemical class 0.000 description 8
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 7
- 239000002253 acid Substances 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 238000001994 activation Methods 0.000 description 5
- 238000001354 calcination Methods 0.000 description 5
- 239000000499 gel Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000003863 ammonium salts Chemical class 0.000 description 3
- 229910052794 bromium Inorganic materials 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 229920000573 polyethylene Polymers 0.000 description 3
- 150000003254 radicals Chemical class 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- SDJHPPZKZZWAKF-UHFFFAOYSA-N 2,3-dimethylbuta-1,3-diene Chemical compound CC(=C)C(C)=C SDJHPPZKZZWAKF-UHFFFAOYSA-N 0.000 description 2
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ROSDSFDQCJNGOL-UHFFFAOYSA-N Dimethylamine Chemical compound CNC ROSDSFDQCJNGOL-UHFFFAOYSA-N 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- ZRALSGWEFCBTJO-UHFFFAOYSA-N Guanidine Chemical compound NC(N)=N ZRALSGWEFCBTJO-UHFFFAOYSA-N 0.000 description 2
- RRHGJUQNOFWUDK-UHFFFAOYSA-N Isoprene Chemical compound CC(=C)C=C RRHGJUQNOFWUDK-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000012190 activator Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000010533 azeotropic distillation Methods 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 229910000423 chromium oxide Inorganic materials 0.000 description 2
- 150000001993 dienes Chemical class 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- NNPPMTNAJDCUHE-UHFFFAOYSA-N isobutane Chemical compound CC(C)C NNPPMTNAJDCUHE-UHFFFAOYSA-N 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- JYVLIDXNZAXMDK-UHFFFAOYSA-N pentan-2-ol Chemical compound CCCC(C)O JYVLIDXNZAXMDK-UHFFFAOYSA-N 0.000 description 2
- 230000037048 polymerization activity Effects 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 238000002203 pretreatment Methods 0.000 description 2
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 2
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 2
- AOHJOMMDDJHIJH-UHFFFAOYSA-N propylenediamine Chemical compound CC(N)CN AOHJOMMDDJHIJH-UHFFFAOYSA-N 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- PMJHHCWVYXUKFD-SNAWJCMRSA-N (E)-1,3-pentadiene Chemical group C\C=C\C=C PMJHHCWVYXUKFD-SNAWJCMRSA-N 0.000 description 1
- PRBHEGAFLDMLAL-UHFFFAOYSA-N 1,5-Hexadiene Natural products CC=CCC=C PRBHEGAFLDMLAL-UHFFFAOYSA-N 0.000 description 1
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 description 1
- WVYWICLMDOOCFB-UHFFFAOYSA-N 4-methyl-2-pentanol Chemical compound CC(C)CC(C)O WVYWICLMDOOCFB-UHFFFAOYSA-N 0.000 description 1
- 206010001497 Agitation Diseases 0.000 description 1
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 description 1
- CYHOFESITORDDD-UHFFFAOYSA-M C(CCC)O[Cr](=O)(=O)O Chemical group C(CCC)O[Cr](=O)(=O)O CYHOFESITORDDD-UHFFFAOYSA-M 0.000 description 1
- 241000088885 Chlorops Species 0.000 description 1
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 1
- 241000282326 Felis catus Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- CHJJGSNFBQVOTG-UHFFFAOYSA-N N-methyl-guanidine Natural products CNC(N)=N CHJJGSNFBQVOTG-UHFFFAOYSA-N 0.000 description 1
- 229910002651 NO3 Inorganic materials 0.000 description 1
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N Nitrogen dioxide Chemical class O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 229910010061 TiC13 Inorganic materials 0.000 description 1
- 229910010066 TiC14 Inorganic materials 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 229910052910 alkali metal silicate Inorganic materials 0.000 description 1
- 150000001340 alkali metals Chemical class 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 239000001099 ammonium carbonate Substances 0.000 description 1
- 235000012501 ammonium carbonate Nutrition 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- WYYQVWLEPYFFLP-UHFFFAOYSA-K chromium(3+);triacetate Chemical compound [Cr+3].CC([O-])=O.CC([O-])=O.CC([O-])=O WYYQVWLEPYFFLP-UHFFFAOYSA-K 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- SWSQBOPZIKWTGO-UHFFFAOYSA-N dimethylaminoamidine Natural products CN(C)C(N)=N SWSQBOPZIKWTGO-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- PYGSKMBEVAICCR-UHFFFAOYSA-N hexa-1,5-diene Chemical compound C=CCCC=C PYGSKMBEVAICCR-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000003701 inert diluent Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000001282 iso-butane Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- KPSSIOMAKSHJJG-UHFFFAOYSA-N neopentyl alcohol Chemical compound CC(C)(C)CO KPSSIOMAKSHJJG-UHFFFAOYSA-N 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000005985 organic acids Nutrition 0.000 description 1
- 150000003891 oxalate salts Chemical class 0.000 description 1
- 239000012188 paraffin wax Substances 0.000 description 1
- QYZLKGVUSQXAMU-UHFFFAOYSA-N penta-1,4-diene Chemical compound C=CCC=C QYZLKGVUSQXAMU-UHFFFAOYSA-N 0.000 description 1
- PMJHHCWVYXUKFD-UHFFFAOYSA-N piperylene Natural products CC=CC=C PMJHHCWVYXUKFD-UHFFFAOYSA-N 0.000 description 1
- 239000002574 poison Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000011949 solid catalyst Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 1
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- 239000003039 volatile agent Substances 0.000 description 1
- 239000012855 volatile organic compound Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F10/00—Homopolymers and copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Silicon Compounds (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerization Catalysts (AREA)
- Glass Compositions (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/340,937 US4392990A (en) | 1982-01-20 | 1982-01-20 | Heating silica gel in inert atmosphere before activation |
| US340,937 | 1994-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1190537A true CA1190537A (en) | 1985-07-16 |
Family
ID=23335565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000415670A Expired CA1190537A (en) | 1982-01-20 | 1982-11-16 | Heating silica gel in inert atmosphere before activation |
Country Status (10)
Families Citing this family (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4818800A (en) * | 1985-07-29 | 1989-04-04 | Phillips Petroleum Company | Polymerization process utilizing a silica-supported chromium oxide catalyst and boron-containing adjuvant |
| US5155186A (en) * | 1984-12-24 | 1992-10-13 | Phillips Petroleum Company | Ethylene homopolymer and copolymer polymerization process and the products produced therefrom |
| US4981831A (en) * | 1988-07-25 | 1991-01-01 | Phillips Petroleum Company | Twice-aged porous inorganic oxides, catalysts, and polymerization processes |
| US5115053A (en) * | 1988-07-25 | 1992-05-19 | Phillips Petroleum Company | Twice-aged porous inorganic oxides, catalysts, and polymerization processes |
| US5451645A (en) * | 1989-08-10 | 1995-09-19 | Phillips Petroleum Company | Process for olefin polymerization |
| US4988657A (en) * | 1989-10-06 | 1991-01-29 | Phillips Petroleum Company | Process for olefin polymerization |
| US5171801A (en) * | 1989-10-06 | 1992-12-15 | Phillips Petroleum Company | Process for olefin polymerization |
| US5071927A (en) * | 1990-10-09 | 1991-12-10 | Phillips Petroleum Company | High-temperature slurry polymerization of ethylene |
| IT1244478B (it) * | 1990-12-21 | 1994-07-15 | Eniricerche Spa | Gel cataliticamente attivo e procedimento per la sua preparazione |
| DE4132894A1 (de) * | 1991-10-04 | 1993-04-08 | Basf Ag | Verfahren zur herstellung eines traegerkatalysators fuer die polymerisation von (alpha)-olefinen |
| DE69217878T2 (de) * | 1991-12-18 | 1997-06-12 | Phillips Petroleum Co | Verfahren zur Herstellung von Polymerisationskatalysator |
| US5179178A (en) * | 1992-05-15 | 1993-01-12 | Phillips Petroleum Company | Olefin polymerization |
| CA2146034A1 (en) | 1994-05-12 | 1995-11-13 | Kenneth W. Willcox | Polymer stabilization |
| DE19914752A1 (de) | 1999-03-31 | 2000-10-05 | Elenac Gmbh | Verfahren zur diskontinuierlichen, thermischen Behandlung von Katalysatormaterial |
| HUP0203789A2 (en) | 1999-12-16 | 2003-04-28 | Phillips Petroleum Co | Organometal compound catalyst |
| AU2005240979B2 (en) | 2004-04-22 | 2011-04-07 | Chevron Phillips Chemical Company Lp | Chromium based polymerization catalyst, the method to prepare it and polymers prepared therewith |
| US6977235B2 (en) * | 2004-04-22 | 2005-12-20 | Chevron Phillips Chemical Company, Lp | Catalyst systems comprising a calcined chromium catalyst and a non-transition metal cyclopentadienyl cocatalyst |
| US7307133B2 (en) * | 2004-04-22 | 2007-12-11 | Chevron Phillips Chemical Company Lp | Polymers having broad molecular weight distributions and methods of making the same |
| US7163906B2 (en) * | 2004-11-04 | 2007-01-16 | Chevron Phillips Chemical Company, Llp | Organochromium/metallocene combination catalysts for producing bimodal resins |
| US20060155082A1 (en) * | 2005-01-10 | 2006-07-13 | Mcdaniel Max P | Process for producing polymers |
| US8440772B2 (en) | 2011-04-28 | 2013-05-14 | Chevron Phillips Chemical Company Lp | Methods for terminating olefin polymerizations |
| US8487053B2 (en) | 2011-11-30 | 2013-07-16 | Chevron Phillips Chemical Company Lp | Methods for removing polymer skins from reactor walls |
| US8501882B2 (en) | 2011-12-19 | 2013-08-06 | Chevron Phillips Chemical Company Lp | Use of hydrogen and an organozinc compound for polymerization and polymer property control |
| US8703883B2 (en) | 2012-02-20 | 2014-04-22 | Chevron Phillips Chemical Company Lp | Systems and methods for real-time catalyst particle size control in a polymerization reactor |
| US10273315B2 (en) | 2012-06-20 | 2019-04-30 | Chevron Phillips Chemical Company Lp | Methods for terminating olefin polymerizations |
| US8916494B2 (en) | 2012-08-27 | 2014-12-23 | Chevron Phillips Chemical Company Lp | Vapor phase preparation of fluorided solid oxides |
| US8940842B2 (en) | 2012-09-24 | 2015-01-27 | Chevron Phillips Chemical Company Lp | Methods for controlling dual catalyst olefin polymerizations |
| US9708426B2 (en) | 2015-06-01 | 2017-07-18 | Chevron Phillips Chemical Company Lp | Liquid-solid sampling system for a loop slurry reactor |
| US10005861B2 (en) | 2016-06-09 | 2018-06-26 | Chevron Phillips Chemical Company Lp | Methods for increasing polymer production rates with halogenated hydrocarbon compounds |
| US10774161B2 (en) | 2019-01-31 | 2020-09-15 | Chevron Phillips Chemical Company Lp | Systems and methods for polyethylene recovery with low volatile content |
| US12077616B2 (en) | 2021-12-15 | 2024-09-03 | Chevron Phillips Chemical Company Lp | Production of polyethylene and ethylene oligomers from ethanol and the use of biomass and waste streams as feedstocks to produce the ethanol |
| US11845814B2 (en) | 2022-02-01 | 2023-12-19 | Chevron Phillips Chemical Company Lp | Ethylene polymerization processes and reactor systems for the production of multimodal polymers using combinations of a loop reactor and a fluidized bed reactor |
| US20230331875A1 (en) | 2022-04-19 | 2023-10-19 | Chevron Phillips Chemical Company Lp | Loop slurry periodogram control to prevent reactor fouling and reactor shutdowns |
| WO2025042807A1 (en) | 2023-08-22 | 2025-02-27 | Chevron Phillips Chemical Company Lp | Integrated processes utilizing water electrolysis and oxidative dehydrogenation of ethane |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1447605A (en) * | 1974-05-08 | 1976-08-25 | Phillips Petroleum Co | Olefin polymerization catalyst peparation |
| DE2540278C2 (de) * | 1975-09-10 | 1982-09-16 | Basf Ag, 6700 Ludwigshafen | Verfahren zum Herstellen von Olefinpolymerisaten |
| US4081407A (en) * | 1976-03-18 | 1978-03-28 | Phillips Petroleum Company | Catalyst support prepared by alcohol treatment of hydrogels |
| US4151122A (en) * | 1977-12-05 | 1979-04-24 | Phillips Petroleum Company | Reduction and reoxidation of cogel or self-reduced catalyst |
| JPS5486943A (en) * | 1977-12-22 | 1979-07-10 | Matsushita Electric Ind Co Ltd | Device for cooling or heating room |
| US4247421A (en) * | 1979-05-03 | 1981-01-27 | Phillips Petroleum Company | Activation of supported chromium oxide catalysts |
-
1982
- 1982-01-20 US US06/340,937 patent/US4392990A/en not_active Expired - Lifetime
- 1982-11-16 CA CA000415670A patent/CA1190537A/en not_active Expired
-
1983
- 1983-01-19 DE DE8383100434T patent/DE3381618D1/de not_active Expired - Lifetime
- 1983-01-19 ES ES519120A patent/ES8405038A1/es not_active Expired
- 1983-01-19 JP JP58007190A patent/JPS58127709A/ja active Granted
- 1983-01-19 NO NO830166A patent/NO160082C/no not_active IP Right Cessation
- 1983-01-19 AT AT83100434T patent/ATE53221T1/de not_active IP Right Cessation
- 1983-01-19 EP EP83100434A patent/EP0085357B1/en not_active Expired - Lifetime
- 1983-01-20 GB GB08301545A patent/GB2113566B/en not_active Expired
-
1986
- 1986-04-07 SG SG321/86A patent/SG32186G/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| US4392990A (en) | 1983-07-12 |
| JPH0559121B2 (enrdf_load_stackoverflow) | 1993-08-30 |
| GB2113566B (en) | 1985-07-10 |
| ES519120A0 (es) | 1984-06-16 |
| ATE53221T1 (de) | 1990-06-15 |
| EP0085357A3 (en) | 1984-05-23 |
| NO830166L (no) | 1983-07-21 |
| SG32186G (en) | 1988-02-19 |
| DE3381618D1 (de) | 1990-07-05 |
| ES8405038A1 (es) | 1984-06-16 |
| JPS58127709A (ja) | 1983-07-29 |
| GB8301545D0 (en) | 1983-02-23 |
| EP0085357B1 (en) | 1990-05-30 |
| GB2113566A (en) | 1983-08-10 |
| NO160082B (no) | 1988-11-28 |
| EP0085357A2 (en) | 1983-08-10 |
| NO160082C (no) | 1989-03-08 |
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| MKEC | Expiry (correction) | ||
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Effective date: 20021116 |